We don't know what statement you want us to choose from. But, protons have a positive charge, and they are what makes an atom a certain atom.
The answer should be A, increase the concentration of both
Answer:
Explanation:
Hello,
Based on the statement of the equilibrium law:

By increasing (doubling) the amount of carbon monoxide, the production of nickel will increase since its amount is directly proportional with its pressure, so, by adding more reactant (in this case carbon monoxide), the equilibrium is rightward shifted based on Le Châtelier's principle even when solid either reactants or products are not contemplated in the equilibrium law.
Best regards.
Answer:
Found this off of google, "Henry's law comes into play every time a bottle of Pepsi (or any other carbonated drink) is opened. The gas above the unopened carbonated drink is usually pure carbon dioxide, kept at a pressure which is slightly above the standard atmospheric pressure."